diff --git a/custom_components/solax_modbus/plugin_solax_ev_charger.py b/custom_components/solax_modbus/plugin_solax_ev_charger.py
index da73ae34c..ffb95d496 100644
--- a/custom_components/solax_modbus/plugin_solax_ev_charger.py
+++ b/custom_components/solax_modbus/plugin_solax_ev_charger.py
@@ -1118,6 +1118,19 @@ def value_function_sync_rtc_evc(initval: Any, descr: Any, datadict: dict[str, An
         native_unit_of_measurement=UnitOfEnergy.KILO_WATT_HOUR,
         device_class=SensorDeviceClass.ENERGY,
         state_class=SensorStateClass.TOTAL_INCREASING,
+        allowedtypes=GEN1,
+    ),
+    SolaXEVChargerModbusSensorEntityDescription(
+        name="Charge Added - Cumulative",
+        key="charge_added_cum",
+        register=0x10,
+        register_type=REG_INPUT,
+        register_data_type=REGISTER_U32,
+        scale=0.1,
+        native_unit_of_measurement=UnitOfEnergy.KILO_WATT_HOUR,
+        device_class=SensorDeviceClass.ENERGY,
+        state_class=SensorStateClass.TOTAL_INCREASING,
+        allowedtypes=GEN2,
     ),
     SolaXEVChargerModbusSensorEntityDescription(
         name="Charge Added Total",